AddAir quality in San Mateo
Air quality index (AQI⁺) and PM2.5 air pollution in San Mateo • 53.9K Followers • 14:00, Nov 14 Local time
19
US AQI⁺Good
Main pollutant:
PM2.5
3.4 µg/m³
18°
9 km/h
60 %
Hourly forecast
San Mateo air quality index (AQI⁺) forecast
Daily forecast
San Mateo air quality index (AQI⁺) forecast
| Today | 19 |  | 18° 13° |  12 km/h | 71% |
| Sun | 14 |  | 18° 13° | 25 km/h | 78% |
| Mon | 18 |  | 15° 13° | 20 km/h | 65% |
Air pollutants
What is the current air quality in San Mateo?
PM2.5 concentration currently meets the WHO annual PM2.5 guideline.
Health recommendations
 Enjoy outdoor activities |
 Open your windows to bring clean, fresh air indoors Get a monitor |
Protect yourself from air pollution in San Mateo
Monitor the air you breathe
Get accurate AirVisual air quality readings and real-time insights for cleaner air. Monitors that reveal pollution sources, highlight when air purifier use is needed.
Medical grade air purifiers
Trusted worldwide, the HealthPro Series uses HyperHEPA technology. Filters ultrafine particles other air purifiers miss, delivering medical-grade protection.
Powerful, stylish air purifiers
Compact and powerful, the Atem Series combines Swiss engineering with high-performance air purification, filtering ultrafine particles with HyperHEPA technology.
Clean Air Facilities
Pollen
What is the pollen count in San Mateo today?
Index
Low
 Tree Low | 25% |
 Grass None | 0% |
 Weed Low | 25% |
Source:
wetter.comHealth recommendations
Enjoy outdoor activities |
Open your windows to bring clean, fresh air indoors Get a monitor |
Pollen
What is the pollen count in San Mateo today?
Index
Low
Tree Low | 25% |
Grass None | 0% |
Weed Low | 25% |
Source:
wetter.comProtect yourself from air pollution in San Mateo
Monitor the air you breathe
Get accurate AirVisual air quality readings and real-time insights for cleaner air. Monitors that reveal pollution sources, highlight when air purifier use is needed.
Medical grade air purifiers
Trusted worldwide, the HealthPro Series uses HyperHEPA technology. Filters ultrafine particles other air purifiers miss, delivering medical-grade protection.
Powerful, stylish air purifiers
Compact and powerful, the Atem Series combines Swiss engineering with high-performance air purification, filtering ultrafine particles with HyperHEPA technology.
Most polluted locations near San Mateo
Worldwide AQI⁺ ranking
Station ranking
Real-time AQI⁺ station ranking for stations in San Mateo
Historic air quality near San Mateo
History
Historic air quality graph for San Mateo
Historic air quality near San Mateo
History
Historic air quality graph for San Mateo
Clean Air Facilities
Most polluted locations near San Mateo
Worldwide AQI⁺ rankingStation ranking
Real-time AQI⁺ station ranking for stations in San Mateo
Measure your own air quality
Get a monitor and contribute air quality data in your city.
Learn more about global air quality
Where is the cleanest air quality in San Mateo?
- Belford Way0
- Occidental Avenue0
- North Central-Ellsworth Court1
- San Mateo Park1
- West Capistrano Way1
- 13th Avenue3
- North Claremont St3
- CuriOdyssey at Coyote Point4
- Noe Avenue4
- Arroyo Ct7
- Hayward Park on El Camino7
- Monterey Trailhead7
- Pinewood Court7
- Sugarloaf7
- Sylvan Avenue7
- Idaho St. San Mateo8
- North Quebec Street8
- Leafwood Court9
- Stratford Way9
- 213-201 Irving St11
- Beresford Park11
- Saint Matthew's Avenue11
- Lola12
- North Central-3rd Ave and S Grant St14
- 37th Avenue15
- 113 West 40th Avenue16
- Meowchi Heaven - Park Place - San Mateo17
- 238 41st Avenue24
- Queens Lane / Lakewood Circle26
